diff --git a/sigil/eclipse/utils/sigil.properties b/sigil/eclipse/utils/sigil.properties
index 31eed99..8862d79 100644
--- a/sigil/eclipse/utils/sigil.properties
+++ b/sigil/eclipse/utils/sigil.properties
@@ -1,10 +1,13 @@
 
 # sigil project file, saved by plugin.
 
-version: 0.0.0
-
 -bundles: \
 	org.apache.felix.sigil.eclipse.utils, \
+	
+-singleton: true
+
+-resources: \
+	plugin.xml, \
 
 -sourcedirs: \
 	src, \
@@ -14,17 +17,19 @@
 
 -imports: \
 	org.apache.felix.sigil.utils, \
-	org.eclipse.core.expressions;version=3.4.1, \
-	org.eclipse.core.resources;version=3.4.1, \
-	org.eclipse.core.runtime;version=3.4.0, \
-	org.eclipse.core.runtime.content;version=3.3.0, \
+	org.eclipse.core.expressions, \
+	org.eclipse.core.resources, \
+	org.eclipse.core.runtime, \
+	org.eclipse.core.runtime.content, \
 	org.eclipse.core.runtime.jobs;resolve=compile, \
 	org.eclipse.jface.window;resolve=compile, \
-	org.eclipse.ui;version=3.4.1, \
+	org.eclipse.ui, \
 
 -requires: \
 	org.eclipse.core.runtime;version=3.4.0, \
 	org.eclipse.ui.ide;version=3.4.2, \
 	org.eclipse.ui.workbench;version=3.4.1, \
+	
+header;Bundle-ActivationPolicy: lazy
 
 # end